protected override async Task ProcessCoreAsync(TagHelperContext context, TagHelperOutput output)
{
if (TargetZone.IsEmpty())
{
output.SuppressOutput();
return;
}
if (output.Attributes.ContainsName("data-origin"))
{
var origin = output.Attributes["data-origin"];
var x = origin;
}
if (Key.HasValue() && _widgetProvider.ContainsWidget(TargetZone, Key))
{
output.SuppressOutput();
return;
}
TagHelperContent childContent = await output.GetChildContentAsync();
TagHelperContent content;
if (output.TagName == "widget")
{
if (childContent.IsEmptyOrWhiteSpace)
{
output.SuppressOutput();
return;
}
// Never render <widget> tag, only the content
output.TagName = null;
content = childContent;
}
else
{
output.Content.SetHtmlContent(childContent);
content = new DefaultTagHelperContent();
output.CopyTo(content);
}
output.SuppressOutput();
if (!content.IsEmptyOrWhiteSpace)
{
var widget = new HtmlWidgetInvoker(content)
{
Order = Ordinal, Prepend = Prepend, Key = Key
};
_widgetProvider.RegisterWidget(TargetZone, widget);
}
}
protected override async Task ProcessCoreAsync(TagHelperContext context, TagHelperOutput output)
{
if (TargetZone.IsEmpty())
{
output.SuppressOutput();
return;
}
if (Key.HasValue() && _widgetProvider.ContainsWidget(TargetZone, Key))
{
output.SuppressOutput();
return;
}
if (ViewContext.HttpContext.Request.IsAjaxRequest())
{
// Don't re-inject content during AJAX requests, the target zones are most probably rendered already.
// Just output the content in-place.
if (output.TagName == "widget")
{
output.TagName = null;
}
else if (output.TagName == "meta")
{
output.SuppressOutput();
}
return;
}
TagHelperContent childContent = await output.GetChildContentAsync();
TagHelperContent content;
if (output.TagName == "widget")
{
if (childContent.IsEmptyOrWhiteSpace)
{
output.SuppressOutput();
return;
}
// Never render <widget> tag, only the content
output.TagName = null;
content = childContent;
}
else
{
output.Content.SetHtmlContent(childContent);
content = new DefaultTagHelperContent();
output.CopyTo(content);
}
output.SuppressOutput();
if (!content.IsEmptyOrWhiteSpace)
{
var widget = new HtmlWidgetInvoker(content)
{
Order = Ordinal, Prepend = Prepend, Key = Key
};
_widgetProvider.RegisterWidget(TargetZone, widget);
}
}
